<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8" />
		<title></title>
		<link href="js/select2/select2.css" rel="stylesheet" />
	</head>

	<body>

		<div>
			<label style="width: 100px; font-size: 14px;">单选</label>
			<input id="sel_menu" style="width: 400px;"></input>
		</div>
		<button onclick="addOption()" style="margin-top: 100px;margin-left: 100px;">添加</button>

	</body>
	<script type="text/javascript" src="js/jquery-1.10.2.min.js"></script>
	<!--<script src="https://cdn.bootcss.com/jquery/2.2.3/jquery.min.js"></script>-->
	<script type="text/javascript" src="js/app.js"></script>
	<script type="text/javascript" src="js/select2/select2.min.js"></script>
	<script type="text/javascript" src="js/test.js"></script>

</html>